Understand every setting in your slicer
A slicer has hundreds of settings and hardly anyone knows what each one does. Here every setting is explained in everyday words: what it does, when to change it, what can go wrong, and a drawing that reacts as you slide the value. For any FDM printer and any slicer.
There's no perfect setting: this is a guide to understand each one and decide with your printer and your filament. The names and example values are Bambu Studio's with the Bambu Lab A1; almost everything also exists in Orca Slicer, PrusaSlicer and Cura, sometimes under another name.